EOC Review PBS Unit 3

Front

What are ribosomes?

Back

Ribosomes are cellular structures that synthesize proteins by translating messenger RNA (mRNA) into polypeptide chains.

Front

What is a virus?

Back

A virus is a non-living infectious agent that cannot replicate on its own and requires a host cell to reproduce. It can cause diseases like the flu.

Front

Where should a tourniquet be applied?

Back

A tourniquet should be applied 2 to 3 inches above the wound to effectively control bleeding.

Front

What is droplet transmission?

Back

Droplet transmission is a form of disease transmission where infectious particles are expelled into the air and inhaled by another individual, such as when someone coughs.

Front

What are antibodies?

Back

Antibodies are proteins produced by B-cells in response to pathogens. They help identify and neutralize foreign objects like bacteria and viruses.

Front

What is the function of B-cells in the immune system?

Back

B-cells are a type of white blood cell that produce antibodies to help fight infections.

Front

What is the difference between direct and indirect contact transmission?

Back

Direct contact transmission occurs when pathogens are transferred from one person to another through physical touch, while indirect contact involves transmission through an intermediate object or surface.

Front

What are antigens?

Back

Antigens are substances that trigger an immune response, often found on the surface of pathogens.

Front

What role do plasmids play in bacteria?

Back

Plasmids are small, circular DNA molecules found in bacteria that can carry genes, including those for antibiotic resistance.

Front

What is the function of chloroplasts?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.